Select a costing Variant with date control

Hi Expert,

I m creating Internal order T.Code KO04

in Costing Variant PC02

Dates Tab

Costing Date From 01.01.2013

Costing Date To 10.01.2013

Valuation Date : 15.01.2013

Message showing select costing variant with date control after save

kindly help me

Kind regards

Pranav